Home / 4,141.38-5,715.10-2,278.38

Finding the Fourth Proportional to 4,141.38, 5,715.10 and 2,278.38

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Solution

The fourth proportional to 4,141.38, 5,715.10 and 2,278.38 is: 3,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.38 : 5,715.10 = 2,278.38 : x
  2. Step 2: Convert to fraction form
    4,141.38/5,715.10 = 2,278.38/x
  3. Step 3: Cross multiply
    4,141.38x = 5,715.10 × 2,278.38
  4. Step 4: Simplify right side
    4,141.38x = 13,021,135.27
  5. Step 5: Solve for x
    x = 13,021,135.27/4,141.38
  6. Step 6: Final answer
    x = 3,144.16

Related Problems

Find fourth proportional to 2,070.69, 2,857.55 and 1,139.19
Half scale
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Double scale
Find fourth proportional to 4,142.38, 5,716.48 and 2,279.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.